111920950 has 12 divisors (see below), whose sum is σ = 208173060. Its totient is φ = 44768360.

The previous prime is 111920867. The next prime is 111920951. The reversal of 111920950 is 59029111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111920951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1119160 + ... + 1119259.

It is an arithmetic number, because the mean of its divisors is an integer number (17347755).

Almost surely, 2^111920950 is an apocalyptic number.

111920950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111920950 is a deficient number, since it is larger than the sum of its proper divisors (96252110).

111920950 is a wasteful number, since it uses less digits than its factorization.

111920950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238431 (or 2238426 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 111920950 is about 10579.2698235748. The cubic root of 111920950 is about 481.9150203427.

The spelling of 111920950 in words is "one hundred eleven million, nine hundred twenty thousand, nine hundred fifty".